// Created: 08/27/2025, ChangJiang Ru
public class Circle
{
    private double radius;

    public Circle()
    {

    }

    public Circle(double newRadius)
    {
        this.radius = newRadius;
    }

    public void setRadius(double newRadius)
    {
        this.radius = newRadius;
    }

    public double getRadius()
    {
        return this.radius;
    }


    public String toString() {
        return "Circle{radius = " + radius + "}";
    }
}
